2025saa

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Information

Transient

Name: SN2025saa
Right ascension: 23h47m40.12s
Declination: -6d05m32.03s
Discovery Date: July 6, 2025, 11:08 a.m.
Classification: SN Ia
Redshift: 0.077000
MW E(B-V): 0.025

Host

Name:
Right ascension: 23h47m40.16s
Declination: -6d05m32.42s
Redshift: 0.062937
Photometric Redshift: 0.070
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 54.0
Transient MWEBV processed 0.07
Host match processed 7.38
Host information processed 0.18
Host MWEBV processed 0.07
Global aperture construction processed 0.71
Global aperture photometry processed 6.6
Validate global photometry processed 17.99
Global host SED inference processed 751.08
Local aperture photometry processed 7.47
Validate local photometry processed 0.03
Local host SED inference processed 523.86
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 23h47m40.12s, -6d05m32.03s
semi major axis, semi minor axis (arcsec) = 1.65, 1.65
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 33.08 2.29 20.101 0.075 AB
SDSS_g 211.33 3.84 18.088 0.020 AB
DES_g 205.86 0.68 18.116 0.004 AB
PanSTARRS_g 242.11 0.48 17.940 0.002 AB
SDSS_r 533.86 6.07 17.081 0.012 AB
PanSTARRS_r 517.34 0.43 17.116 0.001 AB
DES_r 579.95 2.08 16.992 0.004 AB
SDSS_i 759.07 7.36 16.699 0.011 AB
PanSTARRS_i 831.38 0.68 16.600 0.001 AB
PanSTARRS_z 1024.63 1.51 16.374 0.002 AB
SDSS_z 1088.15 10.24 16.308 0.010 AB
DES_z 1092.58 7.23 16.304 0.007 AB
PanSTARRS_y 1156.25 2.94 16.242 0.003 AB

Aperture details

RA, DEC (J2000) = 23h47m40.14s, -6d05m32.16s
semi major axis, semi minor axis (arcsec) = 8.62, 3.6
angle (degrees, anti-clockwise from east) = -47.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.93 0.33 23.979 0.384 AB
GALEX_NUV 3.78 0.44 22.456 0.126 AB
SDSS_u 87.53 6.56 19.045 0.081 AB
SDSS_g 457.61 6.05 17.249 0.014 AB
DES_g 412.92 1.01 17.360 0.003 AB
PanSTARRS_g 510.39 1.3 17.130 0.003 AB
SDSS_r 1109.66 9.19 16.287 0.009 AB
PanSTARRS_r 1082.46 1.07 16.314 0.001 AB
SDSS_i 1613.75 11.93 15.880 0.008 AB
PanSTARRS_i 1651.2 1.86 15.856 0.001 AB
PanSTARRS_z 2068.03 4.47 15.611 0.002 AB
SDSS_z 2278.71 22.67 15.506 0.011 AB
PanSTARRS_y 2436.19 9.54 15.433 0.004 AB
2MASS_J 3015.35 132.2 14.307 0.048 Vega
2MASS_H 4169.57 169.34 13.482 0.044 Vega
2MASS_K 3649.01 261.53 13.157 0.078 Vega
WISE_W1 1334.74 26.85 13.388 0.022 Vega
WISE_W2 742.66 40.97 13.384 0.060 Vega
WISE_W3 36.48 57.97 14.821 1.725 Vega
WISE_W4 -445.87 303.87 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.371 10.487 10.559
{\rm log}_{10}({\rm SFR}) -3.731 -1.305 -0.407
{\rm log}_{10}({\rm sSFR}) -14.335 -11.767 -10.824
{\rm stellar\ age} 7.670 11.261 12.260

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.746 -1.403 -1.054
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.675 -0.633 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.642 0.802 0.968
\delta -0.791 -0.597 -0.381
\tau_1/\tau_2 0.561 0.983 1.444
Q_{PAH} 0.729 2.301 4.866
U_{min} 2.960 8.785 16.809
{\rm log}_{10}(\gamma_e)\, -3.260 -1.944 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.416 -1.309 -0.785
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.443 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.812 -1.579 -0.539
0.03-0.10 Gyr -4.672 -1.623 -0.364
0.10-0.33 Gyr -5.522 -2.124 -0.507
0.33-1.08 Gyr -5.669 -2.472 -0.651
1.08-3.54 Gyr -4.398 -2.159 -0.302
3.54-11.63 Gyr -2.049 0.075 0.673
11.63-12.92 Gyr 0.307 1.539 1.701

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.790 10.843 10.877
{\rm log}_{10}({\rm SFR}) -4.739 -1.824 -0.397
{\rm log}_{10}({\rm sSFR}) -15.598 -12.697 -11.262
{\rm stellar\ age} 11.154 12.251 12.272

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.742 -1.445 -1.137
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.121 0.058 0.390

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.547 0.673 0.788
\delta -0.749 -0.543 -0.420
\tau_1/\tau_2 0.501 1.002 1.523
Q_{PAH} 0.746 1.763 2.981
U_{min} 3.911 11.442 19.006
{\rm log}_{10}(\gamma_e)\, -2.856 -1.526 -0.941

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.571 -3.750 -2.762
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.592 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.251 -3.500 -1.322
0.03-0.10 Gyr -5.257 -1.978 -0.272
0.10-0.33 Gyr -6.448 -3.755 -1.368
0.33-1.08 Gyr -7.583 -5.118 -2.804
1.08-3.54 Gyr -5.468 -3.494 -1.678
3.54-11.63 Gyr -2.568 -1.471 0.492
11.63-12.92 Gyr 1.837 1.983 2.022